putpwent

(3)

write a password file entry

#include <stdio.h> #include <sys/types.h> #include <pwd.h> int putpwent(const struct passwd *restrict p, FILE *restrict stream); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): putpwent(): Since glibc 2.19: _DEFAULT_SOURCE glibc 2.19 and earlier: _SVID_SOURCE

LIBRARY

Standard C library (libc, -lc)

DESCRIPTION

The putpwent() function writes a password entry from the structure p in the file associated with stream.

The passwd structure is defined in <pwd.h> as follows:

struct passwd {


    char    *pw_name;        /* username */


    char    *pw_passwd;      /* user password */


    uid_t    pw_uid;         /* user ID */


    gid_t    pw_gid;         /* group ID */


    char    *pw_gecos;       /* real name */


    char    *pw_dir;         /* home directory */


    char    *pw_shell;       /* shell program */
};

RETURN VALUE

The putpwent() function returns 0 on success. On failure, it returns -1, and errno is set to indicate the error.

ERRORS

EINVAL: Invalid (NULL) argument given.

ATTRIBUTES

For an explanation of the terms used in this section, see attributes(7).

Interface	Attribute	Value
putpwent ()	Thread safety	MT-Safe locale

STANDARDS

None.

HISTORY

SVr4.